Dev Skill DCP-467: Very Happy New Year++ Solution

Problem Link
Dev Skill DCP-467: Very Happy New Year++ Solution

#include<stdio.h>
int main()
{
    int n,length,i,j,t,y;
    char a[110];
    scanf("%d",&t);
    j=0;
    while(j<t)
    {
        y=2018;
        scanf("%s",a);
        for(i=12;a[i]!=NULL;i++)
            y++;
        printf("Happy New Year-%d\n",y);
        j++;
    }
    return 0;
}