func main()
	var n: int :: cui@inputInt()
	var m: int :: cui@inputInt()
	var k: int :: cui@inputInt()
	var dp: [][]bool :: #[n + 1, k + 1]bool
	do dp[0][0] :: true
	for i(1, n)
		for(1, m)
			var a: int :: cui@inputInt()
			for j(0, k - 1)
				if(dp[i - 1][j] & j + a <= k)
					do dp[i][j + a] :: true
				end if
			end for
		end for
	end for
	
	var ans: int :: -1
	for j(0, k)
		if(dp[n][j])
			do ans :: k - j
		end if
	end for
	do cui@print("\{ans}\n")
end func