diff --git a/src/week3/BOJ16637/BOJ16637_V1.cpp b/src/week3/BOJ16637/BOJ16637_V1.cpp
new file mode 100644
index 0000000..cf15ad4
--- /dev/null
+++ b/src/week3/BOJ16637/BOJ16637_V1.cpp
@@ -0,0 +1,55 @@
+    #include <bits/stdc++.h>
+    using namespace std;
+    int N;
+    string inp_string;
+    vector<char> operators;
+    vector<int> num;
+    int max_num = INT_MIN;
+    int calculate(char op, int a, int b) {
+        if (op == '+') {
+            return a + b;
+        } else if (op == '-') {
+            return a - b;
+        } else {
+            return a * b;
+        }
+    }
+
+    void solve(int idx, int cur_num) {
+        if (idx == num.size()-1) {
+            max_num = max(max_num, cur_num);
+            return;
+        }
+
+        solve(idx+1, calculate(operators[idx], cur_num, num[idx+1]));
+        if (idx + 2 <= num.size()-1) {
+            int temp = calculate(operators[idx+1], num[idx+1], num[idx+2]);
+            solve(idx+2, calculate(operators[idx], cur_num, temp));
+        }
+        return;
+    }
+
+    int main() {
+
+        ios_base::sync_with_stdio(false);
+        cin.tie(NULL);
+        cout.tie(NULL);
+
+        cin >> N;
+        cin >> inp_string;
+
+        for (int i = 0; i < N; i++) {
+            if (i%2 == 0) {
+                num.push_back(inp_string[i] - '0');
+            } else {
+                operators.push_back(inp_string[i]);
+            }
+        }
+
+        solve(0,num[0]);
+
+        cout << max_num << '\n';
+
+
+        return 0;
+    }
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