#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