#include <stdio.h>
// ugly hack because we don't have fscanf
int fscanf(FILE* stream, const char* format, int* value)
{
int c;
int r = 0;
do {
c = fgetc(stream);
if (c>='0' && c<='9') {
r = r*10 + (c-'0');
continue;
}
break;
} while (1);
*value = r;
// gahhhh
return 1;
}