T = int(input()) if 1 <= T <= 1000: a = list(map(int, input().split())) if len(a) != T: # 验证输入数量是否匹配 print("输入数量与T不匹配") else: l = [] for num in a: # 遍历数值，而非索引 if 32 <= num <= 127: # 检查是否为可打印ASCII字符 l.append(chr(num)) r = ''.join(l) print(r) # 循环外输出一次 else: print("请重新输入（1 ≤ T ≤ 1000）")