solutions: 230A

solutions/230A.py

@@ -0,0 +1,18 @@
+import sys
+
+s, n = [int(d) for d in input().split(' ')]
+
+dragons = []
+
+for _ in range(n):
+    dragons.append([int(d) for d in input().split(' ')])
+
+dragons = sorted(dragons, key=lambda x: x[0])
+
+for i in dragons:
+    if s > i[0]:
+        s += i[1]
+    else:
+        print("NO")
+        sys.exit()
+print("YES")