task-3

#include <stdio.h>
#include <string.h>

int main()
{
    char pass[20];
    printf("Enter Password: ");
    scanf("%s", pass);

    int l = strlen(pass);
    for(int i=0;i<l;i++) {
        pass[i]=pass[i]+2;
    }

    printf("Changed Password is: %s.", pass);
    return 0;
}