#include<stdio.h> int main() { int a, b; char op; scanf("%d%d %c", &a, &b, &op); if(op == '+') printf("%d\n", (a + b)); else if(op == '-') printf("%d\n", (a - b)); else if(op == '*') printf("%d\n", (a * b)); else if(op == '/') { if(b == 0) printf("Divided by zero!\n"); else printf("%d\n", (a / b)); } else printf("Invalid operator!\n"); return 0; }