#include <cstdio>

#include <algorithm>

using namespace std;

int ex_gcd(int a,int b,int &x,int &y)

{

	if(!b) {x=1,y=0;return a;}

	int gcd=ex_gcd(b,a%b,x,y),tmp=x;

	x=y,y=tmp-a/b*y; return gcd;

}

int a,b,c,gcd,x1,y1;

int main()

{

	scanf("%d%d%d",&a,&b,&c),gcd=ex_gcd(a,b,x1,y1);

	if(c%gcd) {printf("-1\n");return 0;}

	x1*=c/gcd,y1*=c/gcd;

	printf("x=%d+k*%d\n",x1,b/gcd);

	printf("y=%d-k*%d\n",y1,a/gcd);

}