#include <cstdio>#include <iostream>#define N 51int n, s, mx;bool f[N][1001];inline int read(){	int x = 0, f = 1;	char ch = getchar();	for(; !isdigit(ch); ch = getchar()) if(ch == ‘-‘) f = -1;	for(; isdigit(ch); ch = getchar()) x = (x << 1) + (x << 3) + ch - ‘0‘;	return x * f;}int main(){	int i, j, k, x;	n = read();	s = read();	mx = read();	f[0][s] = 1;	for(i = 1; i <= n; i++)	{		x = read();		for(j = 0; j <= mx; j++)		{			if(j + x <= mx && f[i - 1][j]) f[i][j + x] = 1;			if(j - x >= 0 && f[i - 1][j]) f[i][j - x] = 1;		}	}	for(i = mx; i >= 0; i--)		if(f[n][i])		{			printf("%d\n", i);			return 0;		}	puts("-1");	return 0;}