แบบฝึกหัด  ข้อที่ 1

#include<stdio.h>

main()

{

    int a,b,sum;

    printf("plaese Enter number 1:");

    scanf("%d",&a);

    printf("plaese Enter number 2:");

    scanf("%d",&b);

    sum=a+b;

    printf("%d+%d is %d",a,b,sum);

}