View Compilation Error

0_0_1872166_8870\Main.java:10: 需要 ')'
        while(a = cin.nextInt(),b = cin.nextInt()){ 
                               ^
0_0_1872166_8870\Main.java:10: 需要 ';'
        while(a = cin.nextInt(),b = cin.nextInt()){ 
                                ^
0_0_1872166_8870\Main.java:10: 非法的表达式开始
        while(a = cin.nextInt(),b = cin.nextInt()){ 
                                  ^
0_0_1872166_8870\Main.java:10: 需要 ';'
        while(a = cin.nextInt(),b = cin.nextInt()){ 
                                       ^
0_0_1872166_8870\Main.java:10: 需要 ';'
        while(a = cin.nextInt(),b = cin.nextInt()){ 
                                                 ^
5 错误