diff --git a/SWKIM/81to90/83.py b/SWKIM/81to90/83.py
new file mode 100644
index 0000000..5847740
--- /dev/null
+++ b/SWKIM/81to90/83.py
@@ -0,0 +1,23 @@
+from collections import deque
+
+def solution(people, limit):
+    answer = 0
+    people.sort()   # 오름차순으로 정렬
+    people = deque(people)
+
+    # 무거운 사람과 가벼운 사람을 묶어 가는 것이 가장 빠름
+    while people:
+        cur = people.pop() # 무거운 사람 보트에 태움
+
+        # 가벼운 사람도 탈 수 있는 경우
+        if people and cur + people[0] <= limit:
+            cur += people[0]
+            people.popleft()
+        
+        answer += 1
+
+    return answer
+
+people = [40, 40, 40, 40]
+limit = 160
+print(solution(people, limit))
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