Use of arithmetic operator

/* Use of arithmetic operator */
#include<stdio.h>
#include<conio.h>
int main()
{
    int a,b,ans;
    printf("\nEnter two number:");
    scanf("%d %d",&a,&b);
    ans=a+b;
    printf("\n Addition of two number is %d",ans);
    ans=a-b;
    printf("\n Subtraction of two number is %d",ans);
    ans=a*b;
    printf("\n Multiplication of two number is %d",ans);
    ans=a/b;
    printf("\n Division of two number is %d",ans);
    ans=a%b;
    printf("\n Module of two number is %d",ans);
    return 0;
}