programm for ATM transtions

//c programm for ATM transtions
#include <stdio.h>

#include <stdlib.h>



    int totalthousand=1000;
    int totalfivefundred=100;
    int totalonehundred=1000;

int main()

{
    printf("code make by ameer hamza\nfor more help programming chake out my blog");
    printf("letsdoprogramminginc.blodspot.com\n");
    unsigned long withdrawamount;
    unsigned longmomeny;
    int totalmoney,
    thousand=0,fivehundred=0,onehundred=0;
    printf("enter the amount in multiply 0f 100:\n");
    scanf("%lu",&withdrawamount);
    if(withdrawamount%100!=0)
    {
        printf("invalid amount");
        return 0;
    }
    totalmoney=totalthousand*1000+totalfivefundred*500+totalonehundred*100;
    if(withdrawamount>totalmoney)
    {
        printf("sorrey,insuffcint money");
        return 0;
    }
    thousand=withdrawamount/1000;
    if(thousand>totalthousand)
        thousand=totalthousand;
    withdrawamount=withdrawamount-thousand*1000;
    if(withdrawamount>0)
    {
        fivehundred=withdrawamount/500;
        if(fivehundred>totalfivefundred)
            fivehundred=totalfivefundred;
        withdrawamount=withdrawamount-fivehundred*500;
    }
    if(withdrawamount>0 )
        onehundred=withdrawamount/100;
    printf("total 1000 note:%d\n",thousand);
    printf("total 500 note:%d\n",fivehundred);
    printf("total 100 note:%d\n",onehundred);
    return 0;
}