#include <iostream>
using namespace std;
 
int main() {
	// your code goes here
	return 0;
}

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#include<stdio.h>
int main()
{
    int a,b,sum,sub,mul;
    float dev;
    printf("please enter 2 integers a b:");
    scanf("%d %d",&a,&b);
    sum = a + b;
    sub = a - b;
    mul = a * b;
    dev = (float)a / b;
    printf("%d+%d=%d\n",a,b,sum);
    printf("%d-%d=%d\n",a,b,sub);
    printf("%d*%d=%d\n",a,b,mul);
    printf("%d/%d=%.2f\n",a,b,dev);
    return 0;
}