#include <stdio.h>

i,j,k;f(a,b,c){char o[]="_____________________\n          ^";for(i=-10;i<9;i+=i+1?1:2){for(j=i+1;j<11;j+=j+1?1:2){for(k=j+1;k<11;k+=k+1?1:2){if((a*i+b*j+c*k)==0){o[i+10]=a+48;o[j+10]=b+48;o[k+10]=c+48;printf("%s",o);return;}}}}}

int main(void) {
	f(7,8,3);
	return 0;
}