swapping of two value

//w.a.p. which swap two value give by user.
/*
After swapping(original value)
a=10
b=20

before swapping
a=20
b=10
*/

#include<stdio.h>
#include<conio.h>
int main()
{
    int no1,no2,temp;//variable declaration
    printf("\nEnter No 1=");
    scanf("%d",&no1);
    printf("\nEnter No 2=");
    scanf("%d",&no2);
    printf("\n Before Swapping value of no1 and no2 is %d and %d",no1,no2);
    temp=no2;
    no2=no1;
    no1=temp;
    printf("\n After Swapping value of no1 and no2 is %d and %d",no1,no2);
    return 0;
}