Write a program to increase the even digit and decrease the odd digit of a number.

 Write a program to increase the even digit and decrease the odd digit of a number.

#include<stdio.h>

int main(){

int n, rem, sum=0, t=0,r=0;

scanf("%d", &n);

while(n!=0){

rem =n%10;

if(rem%2 == 0)

{

rem++;

}

else{

rem--;

}

sum = sum*10 + rem;

n=n/10;

}

t=sum;

while(t!=0){

rem =t%10;

r = r*10 + rem;

t=t/10;

}

printf("%d", r);

        return 0;

}