#include <stdio.h> int main() { int a, b; scanf("%d %d", &a, &b); printf("%d\n", a + b); return 0; } #include <stdio.h> int main() { long long c, d; scanf("%lld %lld", &c, &d); printf("%.3f%%\n", (double)d / c * 100); return 0; } ...