五、选择结构

#include <stdio.h>

int main() {
    int d;
    scanf("%d", &d);
    int tomorrow = (d % 7) + 1;
    
    printf("%d\n", tomorrow);
    
    return 0;
}

#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);
    if ((n % 400 == 0) || (n % 4 == 0 && n % 100 != 0)) {
        printf("yes\n");
    } else {
        printf("no\n");
    }
    return 0;
}

#include <stdio.h>

int main() {
    int a, b;
    scanf("%d %d", &a, &b);
    if (a < b) {
        printf("<\n");
    } else if (a == b) {
        printf("=\n");
    } else {
        printf(">\n");
    }
    
    return 0;
}

#include <stdio.h>

int main() {
    int n;
   
    scanf("%d", &n);
    
  
    int result;
    if (n % 2 == 1) {  
        result = 3 * n + 1;
    } else { 
        result = n / 2;
    }
    
    printf("%d\n", result);
    
    return 0;
}

#include <stdio.h>

int main() {
    int n;
    
    scanf("%d", &n);
    
    
    if (n % 2 == 0 && n > 50) {
        printf("yes\n");
    } else {
        printf("no\n");
    }
    
    return 0;
}

#include <stdio.h>

int main() {
    int A, B, C;
    
    scanf("%d %d %d", &A, &B, &C);
    
    int average = (A + B + C) / 3;
    
    
    if (average < 60) {
        printf("YES\n");
    } else {
        printf("NO\n");
    }
    
    return 0;
}

#include <stdio.h>

int main() {
    int a, b, c;
    
    scanf("%d %d %d", &a, &b, &c);
    
    
    int max_val = a; 
    if (b > max_val) {
        max_val = b;
    }
    if (c > max_val) {
        max_val = c;
    }
    
    int min_val = a; 
    if (b < min_val) {
        min_val = b;
    }
    if (c < min_val) {
        min_val = c;
    }
    

    printf("The maximum number is : %d\n", max_val);
    printf("The minimum number is : %d\n", min_val);
    
    return 0;
}

#include <stdio.h>

int main() {
    int year_month;
    
    scanf("%d", &year_month);
    
    
    int month = year_month % 100;
    
    if (month >= 3 && month <= 5) {
        printf("spring\n");
    } else if (month >= 6 && month <= 8) {
        printf("summer\n");
    } else if (month >= 9 && month <= 11) {
        printf("autumn\n");
    } else {
        
        printf("winter\n");
    }
    
    return 0;
}