промежутое

programm9.py

@@ -0,0 +1,35 @@
+f = open('INPUT.TXT')
+a, b, c = map(int, f.readline().split())
+f.close()
+
+result = ""
+
+if a == 0 and b == 0 and c == 0:
+    result = "0"
+else:
+    if a != 0:
+        result += str(a)
+    
+    if b != 0:
+        if b > 0 and result:
+            result += "+"
+        if b == 1:
+            result += "x"
+        elif b == -1:
+            result += "-x"
+        else:
+            result += str(b) + "x"
+    
+    if c != 0:
+        if c > 0 and result:
+            result += "+"
+        if c == 1:
+            result += "y"
+        elif c == -1:
+            result += "-y"
+        else:
+            result += str(c) + "y"
+
+f = open('OUTPUT.TXT', 'w')
+f.write(result)
+f.close()