View Code of Problem 3855

#include <stdio.h>
int main() {
    long long a, b;
    int t;
    char ch;
    scanf("%d", &t);
    getchar();
    while(t--) {
        scanf("%lld%c%lld", &a, &ch, &b);
        if(ch == '+') printf("%lld\n", a + b);
        else printf("%lld\n", a  - b);
    }
    return 0;
}