#include<stdio.h> 

int main()
{

    int a,b,c,choice;

    printf("Enter two integer Numbers:\n");
    scanf("%d%d",&a,&b);
    printf("1.Addition\n2.Subtraction\n3.Multiplication\n4.Divition\n");
    printf("Enter Your Choice\n");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1 :
        c=a+b;
        printf("Addition is %d",c);
        break;

    case 2 :
        c=a-b;
        printf("Subtraction is %d",c);
        break;

    case 3 :
        c=a*b;
        printf("Multiplication is %d",c);
        break;

    case 4 :
        c=a/b;
        printf("Division id %d",c);
        break;

    default :
        printf("Unknown Operation");
    }

    return 0;
}
     
           
Note: Need to be arranged in compiler after copied
   

 OutPut:

Enter two integer Numbers: 5 9 1.Addition 2.Subtraction 3.Multiplication 4.Divition Enter Your Choice 3 Multiplication is 45